ci.yml

name: pfb-imaging CI Workflow

permissions:
  contents: read
  pull-requests: read

on:
  push:
    tags:
      - 'v*'
  pull_request:

env:
  POETRY_VERSION: 1.5

jobs:
  should-run:
    runs-on: ubuntu-latest
    outputs:
      run: ${{ steps.check.outputs.should_run }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # This ensures we have access to the commit history
          
      - id: check
        shell: bash
        run: |
          if [ "${{ github.event_name }}" == "pull_request" ] || [ "${{ github.event_name }}" == "pull_request_target" ]; then
            message="${{ github.event.pull_request.head.sha }}"
            # Fetch the actual commit message since we only get the SHA in PR context
            message=$(git ls-remote "${{ github.event.pull_request.head.repo.clone_url }}" "${{ github.event.pull_request.head.ref }}" | cut -f1 | xargs git show --format=%B -s)
          else
            message="${{ github.event.head_commit.message }}"
          fi
          
          echo "Event type: ${{ github.event_name }}"
          echo "Original message: '$message'"
          
          message="${message,,}"  # Convert to lowercase
          echo "Lowercase message: '$message'"
          
          skip_patterns=(
            'skip ci'
            'ci skip'
            'no ci'
            'skip-ci'
            'ci-skip'
            'skip_ci'
            'ci_skip'
            'noci'
          )
          
          should_run="true"
          
          for pattern in "${skip_patterns[@]}"; do
            echo "Testing pattern: '$pattern'"
            if echo "$message" | grep -q "$pattern"; then
              echo "MATCH FOUND for pattern: '$pattern'"
              should_run="false"
              break
            else
              echo "No match for pattern: '$pattern'"
            fi
          done
          
          echo "Should run: $should_run"
          echo "should_run=$should_run" >> $GITHUB_OUTPUT

  test:
    needs: should-run
    if: needs.should-run.outputs.run == 'true'
    runs-on: ubuntu-latest
    continue-on-error: true

    env:
      NUMBA_CACHE_DIR: /tmp/numba-cache

    strategy:
      matrix:
        python-version: ["3.10", "3.11", "3.12"]

    steps:
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version}}

      - name: Install poetry
        uses: abatilo/actions-poetry@v2
        with:
          poetry-version: ${{ env.POETRY_VERSION }}

      - name: Check poetry install
        run: poetry --version

      - name: Checkout source
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Restore repo times
        uses: chetan/git-restore-mtime-action@v2

      - name: Upgrade pip and setuptools
        run: python -m pip install -U pip setuptools

      - name: Create Key and Numba Cache Directory
        id: numba-key
        run: |
          mkdir -p ${{ env.NUMBA_CACHE_DIR }}
          echo "timestamp=$(/bin/date -u '+%Y%m%d%H%M%S')" >> $GITHUB_OUTPUT

      - name: Cache Numba Kernels
        uses: actions/cache@v3
        with:
          key: numba-cache-${{ matrix.python-version }}-${{ steps.numba-key.outputs.timestamp }}
          restore-keys: numba-cache-${{ matrix.python-version }}-
          path: ${{ env.NUMBA_CACHE_DIR }}

      - name: List the measures directory
        run: curl ftp://ftp.astron.nl/outgoing/Measures/ > measures_dir.txt

      - name: Load cached CASA Measures Data
        id: load-cached-casa-measures
        uses: actions/cache@v3
        with:
          key: casa-measures-${{ hashFiles('measures_dir.txt')}}
          path: |
            ~/measures
            ~/.casarc

      - name: Download and install CASA Measures Data
        if: steps.load-cached-casa-measures.outputs.cache-hit != 'true'
        run: |
          mkdir -p ~/measures
          curl ftp://ftp.astron.nl/outgoing/Measures/WSRT_Measures.ztar | tar xvzf - -C ~/measures
          echo "measures.directory: ~/measures" > ~/.casarc

      - name: Install pfb-imaging
        run: poetry install

      - name: Run pfb-imaging
        run: poetry run pfb --help

      - name: Run tests
        run: poetry run pytest -v tests/

  deploy:
    needs: [test]
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
    steps:
      - name: Checkout source
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Set up Python 3.10
        uses: actions/setup-python@v5
        with:
          python-version: "3.10"

      - name: Install poetry
        uses: abatilo/actions-poetry@v2
        with:
          poetry-version: ${{ env.POETRY_VERSION }}

      - name: Check poetry install
        run: poetry --version

      - name: Install dependencies
        run: poetry install

      - name: Build distributions
        run: poetry build

      - name: Publish distribution to Test PyPI
        uses: pypa/gh-action-pypi-publish/v1
        with:
          user: __token__
          password: ${{ secrets.PYPI_TEST_API_TOKEN }}
          repository_url: https://test.pypi.org/legacy/
          verbose: true

      - name: Publish distribution to PyPI
        uses: pypa/gh-action-pypi-publish/v1
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}
          verbose: true